Paradyne CSU User Manual
8. Troubleshooting
8-30
September
2002
9128-A2-GB20-80
DTE Loopback
The DTE external Loopback (DTLB) test loops the received signal on a DTE
interface back to the DTE without affecting the operation of the remaining ports.
Use this test for isolating problems on the DTE interface.
interface back to the DTE without affecting the operation of the remaining ports.
Use this test for isolating problems on the DTE interface.
Main Menu
→
Test
→
Data Port Physical Tests
An attached device or test equipment must generate data to be looped back.
CAUTION:
This test may affect operation of frame relay PVCs assigned to the
selected port. Any IP data being sent while this test is active will be
disrupted.
selected port. Any IP data being sent while this test is active will be
disrupted.
98-16190
Network
Interface
DSX
Interface
DTE
Port 1
DTE
Port 2
All 1s
DTLB
DTLB